1FP1

CRYSTAL STRUCTURE ANALYSIS OF CHALCONE O-METHYLTRANSFERASE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5277PEG 8000, ammonium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 4K
Crystal Properties
Matthews coefficientSolvent content
2.4649.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 125.119α = 90
b = 53.793β = 124.92
c = 73.39γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray105IMAGE PLATEMARRESEARCH2000-03-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-1SSRLBL7-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.829990.60.0525.62.8836093326821.51.524.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.821.8548.50.662.1860

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT1.8236.691.53609332682165690.50.260.2260.2260.263RANDOM38.6
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
3.23-1.218.2-11.43
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.6
c_scangle_it2.85
c_mcangle_it2.01
c_scbond_it1.98
c_mcbond_it1.33
c_angle_deg1.2
c_improper_angle_d0.77
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2628
Nucleic Acid Atoms
Solvent Atoms212
Heterogen Atoms45

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing